uxcell 10 Pcs Galvanized Steel Spacer 3 8" Bore x 3 4" OD x 2" Length, Unthreaded Standoff Bushing Plain Finish, Round Metal Spacer Fits M12 Screws Bolts 3 8"ID x 3 4"OD x 2"Length industrial_Dec2022 They will hold up flat B0BYMRLD5D They will hold up flat items weighing 60 90 grams contact current:10A Minimum load(reference values): DC5V 1mACharacteristicsOperating time ≤20msRelease time ≤10msInsulation resistance ≥1000mΩ （500VDC) Contact resistance: 50mΩAmbient operating temperature: 40℃～+70℃(with no icing or condensation)Weight: 123gAmbientl humidity:5%～85%RH ensuring long term stability for various applications Quality Material: Constructed from Q235 carbon steel